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Finding the Fourth Proportional to 198,877.18, 298,352.88 and 65,851.09

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Solution

The fourth proportional to 198,877.18, 298,352.88 and 65,851.09 is: 98,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,877.18 : 298,352.88 = 65,851.09 : x
  2. Step 2: Convert to fraction form
    198,877.18/298,352.88 = 65,851.09/x
  3. Step 3: Cross multiply
    198,877.18x = 298,352.88 × 65,851.09
  4. Step 4: Simplify right side
    198,877.18x = 19,646,862,352.64
  5. Step 5: Solve for x
    x = 19,646,862,352.64/198,877.18
  6. Step 6: Final answer
    x = 98,788.92

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